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SECTION 4
When SECS is Used
CIDRW System
User’s Manual
SECTION 4
Reading from/Writing to ID Tags
■ Specifications for Each Stream/Function
• Online check
• Get attributes
S1,F1 Are You There Request S,H→E,reply
Header only
S1,F2 On Line Data S,H←E
L,2
1.<MDLN>
2.<SOFTREV>
• Set MDLN (model number).
• Set SOFTREV (software revision level).
S18,F1 Read Attribute Request S,H→E,reply
L,2
1.<TARGETID> "00"-"31"
2.L,n
1.<ATTRID1>
⋅
n.<ATTRIDn>
• The setting for reading all attributes (CIDRW Controller or heads) is n = 0.
S18,F2 Read Attribute Data S,H←E
L,4
1.<TARGETID> "00"-"31"
2.<SSACK>
3.L,n
1.<ATTRVAL1>
⋅
n.<ATTRVALn>
4.L,s
1.<STATUS1>
⋅
s.<STATUSs>
• The order of the attribute data corresponds to the attribute ID specified by S18, F1.
When reading of all attributes is specified, unsupported attribute items (ATTRVAL) are omitted.
• When the specified target is invalid:
n = 0, s = 0, SSACK = "CE" communications error
• When one or more undefined attributes are included:
n = 0, s = 0, SSACK = "CE" communications error
• When head attributes are specified with TARGET = "00" or CIDRW Controller attributes are specified with TARGET <> "00":
n = 0, s = 0, SSACK = "CE" communications error
• If the status of SSACK is other than "NO" (normal), the List of Status will comprise zero items.
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